/*
 * Copyright 2012 LinkedIn, Inc
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.linkedin.parseq.promise;

public class TransformingPromiseListener<S, T> implements PromiseListener<S> {
  private final Settable<T> _dest;
  private final PromisePropagator<S, T> _propagator;

  public TransformingPromiseListener(final Settable<T> dest, final PromisePropagator<S, T> propagator) {
    _dest = dest;
    _propagator = propagator;
  }

  @Override
  public void onResolved(final Promise<S> resolvedPromise) {
    _propagator.accept(resolvedPromise, _dest);
  }
}
